142243002 has 36 divisors (see below), whose sum is σ = 338762970. Its totient is φ = 43103280.

The previous prime is 142242917. The next prime is 142243019. The reversal of 142243002 is 200342241.

It can be written as a sum of positive squares in only one way, i.e., 99980001 + 42263001 = 9999^2 + 6501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30477 + ... + 34832.

Almost surely, 2^142243002 is an apocalyptic number.

142243002 is an abundant number, since it is smaller than the sum of its proper divisors (196519968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142243002 is a wasteful number, since it uses less digits than its factorization.

142243002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65339 (or 65325 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142243002 is about 11926.5670668470. The cubic root of 142243002 is about 522.0077728177.

Adding to 142243002 its reverse (200342241), we get a palindrome (342585243).

The spelling of 142243002 in words is "one hundred forty-two million, two hundred forty-three thousand, two".